Cross-sectional Accuracy Study Research Articles

Accuracy of the Defining Characteristics of the Sexual Dysfunction Nursing Diagnosis in Women with Breast Cancer.

To analyze the accuracy of the defining characteristics of the nursing diagnosis of sexual dysfunction in women undergoing pharmacological treatment for breast cancer. A cross-sectional accuracy study with statistical analysis. Alteration in sexual satisfaction was the defining characteristic with the highest sensitivity value, while perceived sexual limitation was the defining characteristic with the highest value for both sensitivity and specificity. Perceived sexual limitation is a good clinical indicator to infer initial stages of sexual dysfunction and to confirm its presence. Accurate diagnostics allow devising an action plan directed to the patients' real needs, helping prescribe and deliver the appropriate nursing interventions.

Accuracy of straight leg raise and slump tests in detecting lumbar disc herniation: a pilot study.

To determine the accuracy of the Straight Leg Raise (SLR) and slump tests in detecting Lumbar Disc Herniation (LDH). Cross-sectional diagnostic accuracy study. Two referral hospitals in Kigali, Rwanda: King Faisal Hospital and Centre Hospitalier Universitaire de Kigali. All patients aged 18 to 70 who had an MRI and who were experiencing pain in the low back, leg or low back and leg. Closed Magnetic Resonance Imaging (MRI) investigations for each patient as witnessed by a radiologist who read the image were recorded by the first researcher and blinded to other researchers. The SLR and slump tests were performed three times on each patient by independent testers who were blinded to the result of the first test. The test order was randomized for each subject and the two tests were separated by one day wash-out period. Data were analyzed using a 2x2 table to ascertain diagnostic statistics including sensitivity and specificity with 95% confidence intervals. Thirty three from a possible 37 patients mean age 41.58 ± 10 years completed all of the tests. The sensitivity of SLR was greater (0.875; CI: 0.690-0.957) than that of the slump tests (0.800; CI: 0.6087-0.911) (p = 0.01) in detecting LDH. The specificity for SLR was 0.429 (CI: 0.158-0.750) and for slump was 0.714 (CI: 0.359-0.918). Substantial agreement (K = 0.774) was obtained between the SLR and MRI. The SLR was more accurate in detecting LDH. Further validation of this pilot finding is required by studying a larger sample.